Insect diversity, taxonomy, and systematics PDF
Preview Insect diversity, taxonomy, and systematics
Protura, Collembola, Diplura 6-segmented abdomen; furca and retinaculum; collophore on A1 http://www.cals.ncsu.edu/course/ent425/ Isotomidae Sminthuridae Archaeognatha and Zygentoma flattened; 3 terminal filaments; eyes arched trunk; 3 terminal filaments; reduced or absent; dicondylic mouthparts dorsally contiguous eyes; styli on A1-9; monocondylic mouthparts Long narrow wings (4); slender, elongate abdomen, large compound eyes, short bristle-like antennae, cerci Zygoptera: front and hind unsegmented and function as claspers. wings similar in shape and narrow at base Coenagrionidae Cu1 + Cu2 well developed (well beyond arculus) Anisoptera hindwings wider at base Libellulidae: toe well developed on anal loop; no notch on rear wing anal angle Zygoptera Odonata: Libellulidae Coenagrionidae Short filiform or setaceous Ephemeroptera antennae; mesothorax enlarged with large triangular forewings; hindwings small or absent; A10 with long cerci and often with medial filament Order: Zoraptera “Pure-wingless” Characters: • 39 species worldwide, mostly tropical •3 mm or less in length •Short cerci and antennae •small colonies beneath rotting wood •detritivores and predators (on Collembola and mites) Dermaptera short elytra meeting dorsally in a straight line; cerci well-developed and forceps-like; antennae filliform and about ½ length of body or less
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